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QuantaFlow CoinGecko Proxy (x402)
x402
QuantaFlow CoinGecko Proxy (x402) is a paid API for AI agents from quanta-roan.vercel.app, paid per call via x402, $0.01/call, status unknown (last checked 2026-10-10).
Proxies requests to the CoinGecko API through an x402 micropayment gateway, returning live cryptocurrency market data for $0.01 USDC per call.
Price / call$0.01
Success—
StatusUnknown
How this service works
Every request, a quantum of value. x402 protocol-based payment endpoint for web3/DeFi tools.
Output
The raw upstream CoinGecko API response body is passed through after a successful x402 micropayment, including fields like current price, market cap, volume, price change percentages, coin metadata, and any other data the queried CoinGecko endpoint returns.
Example use cases
Live crypto price check
“What's the current price of Bitcoin and Ethereum in USD along with their 24-hour percentage changes? Grab it from CoinGecko.”
DeFi token contract lookup
“I need the CoinGecko metadata for the token at Ethereum contract address 0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48 — give me its name, symbol, and current price.”
Trending coins discovery
“Fetch the current trending coins list from CoinGecko so I can see what's getting the most attention in crypto markets today.”
Technical details
Endpoint
POSThttps://quanta-roan.vercel.app/api/service/coingecko?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need pay-per-call access to CoinGecko market data via x402 micropayments without managing a CoinGecko API key subscription. Ideal for AI agents operating in web3 environments that can autonomously authorize USDC microtransactions on-chain.
Side effects
- Payment failure if wallet has insufficient USDC balance
- Invalid CoinGecko path returns 404 or upstream error
- Malformed query parameters forwarded to CoinGecko result in upstream 400 error
- CoinGecko rate limiting may cause 429 upstream errors
- Network timeout on Vercel serverless function
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| body | string | Optional JSON body forwarded to POST requests. |
| path | string | Path below the selected upstream origin. |
| query | object | |
| method | string |
Output
Schema · Response
{
"description": "The upstream response body and content type are passed through after successful payment."
}Tags
x402
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